Single Stage Common Source Amplifier: Bias circuit design for the Single Stage Common Source Amplifier in shown in Fig. 12-10. As with the common-emitter BJT circuit, design commences with specification…
FET Common Source Amplifier with Unbypassed Source Resistors: Equivalent Circuit - When an unbypassed source resistor (RS) is present in a FET Common Source Amplifier circuit, as shown in Fig.11-10(a),…
High Frequency Analysis of BJT: Coupling and Bypass Capacitor Effects - Consider the typical High Frequency Analysis of BJT illustrated in Fig. 8-5. As discussed, the amplifier voltage gain is…
BJT Cutoff Frequency and Capacitance: Device Cutoff Frequency - All transistors have junction capacitances. The junction capacitances and the transit time of charge carriers through the semiconductor material limit the…
Difference Between Common Base Common Emitter and Common Collector: Table 6-2 compares Zi, Zo, and Av, for difference Between Common Base Common Emitter and Common Collector circuits. As already discussed, the…
Transistor Models and Parameters: T-Equivalent Circuit - Because a transistor consists of two pn-junctions with a common centre block, it should be possible to use two pn-junction ac equivalent circuits…
AC Load Line of BJT: AC Equivalent Circuits - Capacitors behave as short-circuits to ac signals, so in the ac equivalent circuit for a transistor circuit all capacitors must be…
Coupling and Bypassing Capacitors: Coupling Capacitors - To use a transistor circuit to amplify or otherwise process an ac signal, the signal source must be connected to the circuit input.…